CN107742037A - Spacecraft model data reduction methods - Google Patents
Spacecraft model data reduction methods Download PDFInfo
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- CN107742037A CN107742037A CN201711023942.1A CN201711023942A CN107742037A CN 107742037 A CN107742037 A CN 107742037A CN 201711023942 A CN201711023942 A CN 201711023942A CN 107742037 A CN107742037 A CN 107742037A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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Abstract
The present invention relates to a kind of spacecraft model data reduction methods, the described method comprises the following steps：S1, obtain the three-dimensional modeling data of former part on spacecraft；S2, newly-built part is created, and the surface information in the three-dimensional modeling data of the former part and reference data information are copied in the newly-built part；And S3, former part model data on the spacecraft are replaced with into the newly-built part model data.The present invention can effectively reduce model data amount, save data space, improve data transmission efficiency.
Description
Technical field
The present invention relates to data reduction process field, more particularly to a kind of spacecraft model data reduction methods.
Background technology
It will be appreciated that spacecraft can realize configuration, layout and the total installing of spacecraft product by three-dimensional digital method
The work such as meter.When manned spacecraft carries out three-dimensional digital design, using Digital Collaborative Design Method, threedimensional model is unified to be deposited
In database platform, in order to improve data messaging efficiency, when uploading, the size of model needs to carry out strictly threedimensional model
Control.And spacecraft configuation is complicated at present, product quantity is more on device and model is complex so that the data volume of model compared with
Greatly, required data space requirement is big.
The content of the invention
It is an object of the invention to solve above-mentioned technical problem, there is provided a kind of spacecraft model data reduction methods, reduce
Model data amount, save data space.
For achieving the above object, the present invention provides a kind of spacecraft model data reduction methods, and methods described includes：
S1, obtain the three-dimensional modeling data of former part on spacecraft；
S2, newly-built part is created, and the surface information in the three-dimensional modeling data of the former part and reference data are believed
Breath is copied in the newly-built part；
S3, former part model data on the spacecraft are replaced with into the newly-built part model data.
Preferably, the step S3 further comprises：
The newly-built part model data are created into new unique file by preserving the form of copy；
By the title that the unique file name modifications are the former part model data；And
The model data of former part is replaced with the newly-built unique file after modification title in spacecraft threedimensional model.
Preferably, the company of redefining is needed when multiple newly-built unique files replace multiple former part model data
Connect relation.
Preferably, methods described also includes spacecraft threedimensional model is divided into visual threedimensional model and hidden according to demand of checking
Hide threedimensional model.
Preferably, it is described to check that demand enters edlin by View Manager.
Preferably, the actual shape of the aspect of model of former part and former part on the spacecraft obtained in the step S1
State is consistent.
Preferably, the newly-built part is created by Three-dimensional Design Software, the Three-dimensional Design Software includes
SolidWorks、pro/E、3Dmax。
According to the spacecraft model data reduction methods of the present invention, former part model number is only preserved by creating newly-built part
The mode of surface information and reference data information in, greatly reduces the model data amount of spacecraft threedimensional model, can save
The memory space of model data is saved, mitigates the transmission pressure of model data, is advantageous to improve model data efficiency of transmission.
According to the spacecraft model data reduction methods of the present invention, View Manager can be passed through according to the demand that actually looks at
Display needs the part spacecraft threedimensional model checked, saves the data storage for needing not look at part spacecraft threedimensional model
Space, be advantageous to mitigate the transmission pressure of model data, improve the efficiency of transmission of model data.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is to schematically show the spacecraft model data reduction methods according to the present invention.
Embodiment
The description of this specification embodiment should be combined with corresponding accompanying drawing, and accompanying drawing should be used as the one of complete specification
Part.In the accompanying drawings, the shape of embodiment or thickness can expand, and to simplify or conveniently indicate.Furthermore respectively tied in accompanying drawing
The part of structure will be to describe to illustrate respectively, it is notable that the member not illustrated not shown in figure or by word
Part, it is the form known to a person of ordinary skill in the art in art.
The description of embodiments herein, any reference about direction and orientation, is for only for ease of description, and can not manage
Solve as any restrictions to the scope of the present invention.It can be related to the combination of feature below for the explanation of preferred embodiment,
These features may be individually present or combine presence, and the present invention is not defined in preferred embodiment especially.The present invention
Scope be defined by the claims.
Fig. 1 is to schematically show the spacecraft model data reduction methods according to the present invention.As shown in figure 1, according to this hair
Bright spacecraft model data reduction methods comprise the following steps：S1, obtain the three-dimensional modeling data of former part on spacecraft；
S2, newly-built part is created, and the surface information in the three-dimensional modeling data of the former part and reference data information are copied to
In the newly-built part；And S3, former part model data on the spacecraft are replaced with into the newly-built part model data.
Specifically, for ease of the actual characteristic of product or part is understood and held, the boat that is obtained in step S1
The content that the feature of former three-dimensional part model is included on its device and the virtual condition of former part need to be consistent.Get boat
Enter step S2 on its device after former three-dimensional part model data, specifically, SolidWorks, pro/E, 3Dmax etc. can be passed through
Three-dimensional Design Software creates a newly-built part, then by the external envelope curved surface in the three-dimensional modeling data in step S1, reference
Point, the plane of reference, reference frame etc. are copied in the newly-built part of establishment, that is, only include outer curved surface in the newly-built part created
The model data of information and reference data information as newly-built part, it can so greatly reduce original model data amount.When
So, the entity information and internal information in original part, can also selectively be replicated as needed.
In addition, for the part of mechanism kinematic be present, the three-dimensional of all former parts in obtaining widget is needed in step sl
Model data, multiple newly-built parts are then created by Three-dimensional Design Software, make multiple newly-built parts and in part all former zero
Part realizes one-to-one relation, afterwards by the external envelope curved surface in the model data of all former parts, reference point, the plane of reference,
Reference frame etc. replicates in each self-corresponding newly-built part respectively, forms the model data of newly-built part.
After the completion of step S2, into step S3, former part model data on spacecraft are replaced with to newly-built zero newly created
Part model data.Specifically, because the model data of newly-built part is surface information and benchmark by directly replicating former part
What information obtained, the reference file containing outside, without independence, so passing through guarantor firstly the need of by newly-built part model data
The form for depositing copy is created into new unique file, is then former part model data by the name modifications of newly-built unique file
Title, to meet name requirement of the spacecraft threedimensional model for file.Amended unique file is finally used by spacecraft
Former part model data in threedimensional model are replaced, it should be appreciated that when needing to replace multiple former part model data, are needed
Redefine annexation.
According to the spacecraft model data reduction methods of the present invention, former part model number is only preserved by creating newly-built part
The mode of surface information and reference data information in, greatly reduces the model data amount of spacecraft threedimensional model, can save
The memory space of model data is saved, mitigates the transmission pressure of model data, is advantageous to improve model data efficiency of transmission.
Needed in addition, also including basis according to the spacecraft model data reduction methods of the present invention and checking by spacecraft three-dimensional
Model is divided into visual threedimensional model and hiding threedimensional model.Specifically, when the original zero that the needs in spacecraft threedimensional model are replaced
After the completion of part is all replaced, demand can be checked in View Manager editor, be represented by simplifying in View Manager, by other
The threedimensional model needed not look at is excluded, and is arranged to hide threedimensional model.For example, in spacecraft threedimensional model
Including below deck equipment threedimensional model and above deck equipment threedimensional model, when only needing to check below deck equipment threedimensional model, by regarding
Below deck equipment threedimensional model is arranged to visual threedimensional model by figure manager, and above deck equipment threedimensional model is excluded, and sets
It is set to hiding threedimensional model.The benefit being arranged such is：Can according to needed for being actually needed and check spacecraft threedimensional model it is a certain
Part, the space hold of the threedimensional model needed not look at is reduced, further reduce model data amount, save model data store
Space.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
1. a kind of spacecraft model data reduction methods, it is characterised in that the described method comprises the following steps：
S1, obtain the three-dimensional modeling data of former part on spacecraft；
S2, newly-built part is created, and the surface information in the three-dimensional modeling data of the former part and reference data information are answered
Make in the newly-built part；And
S3, former part model data on the spacecraft are replaced with into the newly-built part model data.
2. spacecraft model data reduction methods according to claim 1, it is characterised in that the step S3 is further wrapped
Include：
The newly-built part model data are created into new unique file by preserving the form of copy；
By the title that the unique file name modifications are the former part model data；And
The model data of former part is replaced with the newly-built unique file after modification title in spacecraft threedimensional model.
3. spacecraft model data reduction methods according to claim 2, it is characterised in that multiple newly-built independent texts
Part needs to redefine annexation when replacing multiple former part model data.
4. spacecraft model data reduction methods according to claim 1, it is characterised in that methods described also includes basis
Check that spacecraft threedimensional model is divided into visual threedimensional model and hiding threedimensional model by demand.
5. spacecraft model data reduction methods according to claim 4, it is characterised in that it is described check demand by regarding
Figure manager enters edlin.
6. spacecraft model data reduction methods according to claim 1, it is characterised in that obtained in the step S1
The aspect of model of former part is consistent with the virtual condition of former part on the spacecraft.
7. spacecraft model data reduction methods according to claim 1, it is characterised in that created by Three-dimensional Design Software
The newly-built part is built, the Three-dimensional Design Software includes SolidWorks, pro/E, 3Dmax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023942.1A CN107742037A (en) | 2017-10-27 | 2017-10-27 | Spacecraft model data reduction methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023942.1A CN107742037A (en) | 2017-10-27 | 2017-10-27 | Spacecraft model data reduction methods |
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| CN107742037A true CN107742037A (en) | 2018-02-27 |
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| CN201711023942.1A Pending CN107742037A (en) | 2017-10-27 | 2017-10-27 | Spacecraft model data reduction methods |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117765183A (en) * | 2024-01-04 | 2024-03-26 | 北京航天飞行控制中心 | Optimization method and system for astronaut cabin-leaving operation model |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010016803A1 (en) * | 1999-12-10 | 2001-08-23 | Ridwan Sartiono | Design system and method for designing or constructing new parts |
| CN102609991A (en) * | 2012-01-19 | 2012-07-25 | 北京航空航天大学 | Volume-reduction optimization method for three-dimensional solid model |
| CN104217049A (en) * | 2013-05-31 | 2014-12-17 | 北京空间技术研制试验中心 | Lightweight display method of complex system three-dimensional model |
-
2017
- 2017-10-27 CN CN201711023942.1A patent/CN107742037A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010016803A1 (en) * | 1999-12-10 | 2001-08-23 | Ridwan Sartiono | Design system and method for designing or constructing new parts |
| CN102609991A (en) * | 2012-01-19 | 2012-07-25 | 北京航空航天大学 | Volume-reduction optimization method for three-dimensional solid model |
| CN104217049A (en) * | 2013-05-31 | 2014-12-17 | 北京空间技术研制试验中心 | Lightweight display method of complex system three-dimensional model |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117765183A (en) * | 2024-01-04 | 2024-03-26 | 北京航天飞行控制中心 | Optimization method and system for astronaut cabin-leaving operation model |
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